itunes wont burn dvds

i have been trying to burn movies to dvd on my imac. i used idvd for awhile but the process take nearly 5 hours for each movie. i used itunes the other day and it worked but the dvds will not be read by any dvd player other than one in a computer. i need suggestions on what program i could use that will not take forever. Or i how to burn dvds using itunes that will work with an outside dvd player for a tv.

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